is_planar

is_planar(G)

Returns True if and only if G is planar.

A graph is planar iff it can be drawn in a plane without any edge intersections.

Parameters:

GNetworkX graph

Returns:

bool

Whether the graph is planar.

See also

check_planarity

Check if graph is planar and return a PlanarEmbedding instance if True.

Examples

>>> G = nx.Graph([(0, 1), (0, 2)])
>>> nx.is_planar(G)
True
>>> nx.is_planar(nx.complete_graph(5))
False